2
votes
1answer
975 views

Why am I missing 4GB of RAM on Windows Server 2008 R2 64bit?

I noticed today that a server was very low on memory. It physically has 8GB installed and runs Windows 2008 R2 Standard 64bit. It also hosts 2 virtual machines using HyperV. Server is Dell ...
2
votes
1answer
528 views

Why doesn't my server doesn't recognise more than 4GB RAM even with Physical Address Extensions?

Why doesn't my server doesn't recognise more than 4GB RAM even with Physical Address Extensions under Windows Server 2003 SP2? I thought PAE should enable the server to use more RAM than 4GB but ...
1
vote
1answer
271 views

Decreasing cached memory and increasing Free memory in RAM

I'm using Windows 2008 Server 64 bit, I've uploaded the snap shot of my task manager when minimum processes running. It shows Total memory 8190 MB Cached memory 4315 MB Free 3402 MB So ...
4
votes
1answer
2k views

Windows Web Server 2008 R2 Max RAM 16 GB?

This is page: http://msdn.microsoft.com/en-us/library/aa366778%28v=vs.85%29.aspx I see: Windows Web Server 2008 R2 Limit on X64: 32 GB In my system display, I see: Only 16 GB are usable. Any ideas? ...
2
votes
1answer
3k views

Why Oracle 11g on windows default installation keeps increasing memory usage even when idle?

I installed Oracle 11g on my Windows XP 64 bit desktop with pretty much the default options. Now when I start the database, it just keeps increasing the memory usage few hundred KB at a time even when ...
2
votes
0answers
982 views

Process Managment memory-leak in Windows Server x64?

After clean install and boot of OS Windows x64 I launched cmd.exe (any other exe) and closed it. Then I launch rammap.exe (http://technet.microsoft.com/en-us/sysinternals/ff700229.aspx). On the 2nd ...
1
vote
2answers
489 views

Java 64 bit application takes more memory than 32 bit

We have an application running on Mac with java 1.5 .This is a 32 bit VM. The heap memory is within the limit. When we move this application to Linux with java 1.5.(64 bit) We see a 50% increase in ...
12
votes
6answers
10k views

After upgrading to 2008 R2 Enterprise and installing more RAM, Windows can only see 4.00 GB

(I have also posted this on technet but I'm running out of ideas) I've upgraded from Windows Server 2008 R2 Standard to Enterprise in order to make use of more RAM. The server previously had 32GB of ...
0
votes
1answer
387 views

Debian Lenny 64 Bit doesn't show 4GB Memory

I'm using Debian 5.0 (Lenny) 64Bit on my server and my server has 4GB memory but unfortunately Debian shows 2 GB on /proc/meminfo and with "top" command. Do I need to use bigmem kernel with 64bit ...
0
votes
2answers
340 views

Can only see 2GB of 4GB on 2.6.26-1-xen-amd64 debian 5, Dell PowerEdge 860

Any suggestions? Adding mem=4G to grub doesn`t help. free total used free shared buffers cached Mem: 2538496 299684 2238812 0 7380 ...
3
votes
2answers
129 views

Dive into 64 bit or hold off (do you have a crystal ball)

I'm planning my first workstation replacement schedule to hopefully replace 80 or so computers out of the 125 office. I know the limitations of the 32 bit OS is 3.5 GB of RAM. I believe RAM is the ...
20
votes
4answers
2k views

Can MySQL effectively take advantage of 64 GB RAM?

We have been running into a problem where querying a table that has approximately 50 million rows, and has an index size of 4 GB (table size of about 6 GB) results in the database server swapping ...
6
votes
2answers
21k views

x64 Windows reports 32GB RAM usable out of 64GB RAM installed - why?

I've got a server with 64GB RAM installed (reported in both the bios and in Windows), but the system information from control panel displays the fact that only 32GB of this is usable. I've only ever ...
2
votes
2answers
149 views

Any Constraint on physical RAM on a 64bit hardware with 1 processor

I have 64 bit machine with 1 CPU only. From what is remember, that means my physical RAM is expandable to 2^64 bytes as that is what is addressable memory. 1. Is this correct? Now, i intend to have ...
0
votes
1answer
108 views

advice on memory purchase for AMD 6134 2P server

HP DL165G7 with 2x AMD 6134 CPU. target RAM: 48GB options: 2GB dual rank registered DIMM - 24 Qty HP-2GB 2Rx8 PC3-10600R-9 Kit 4Gb single rank registered DIMM - 12 Qty HP-4GB 1Rx4 PC3-10600R-9 ...
0
votes
2answers
419 views

New 64 bit linux system has regular processes (ps, grep etc) taking up way too much VIRT mem

We just moved from a 32-bit machine to a 64-bit machine. We have quickly ran out of memory despite the new boxes have twice as much ram as the old boxes. Running a simple ps command will illustrate ...
4
votes
5answers
262 views

Justifying a memory upgrade

My employer has over a thousand servers (running SQL Server 2005 x64 and a couple of other apps) all across the country. And in my opinion they are all massively underpowered for what they need to ...
0
votes
2answers
150 views

Transferring websites from x64 to x86 server

I run a x64 staging server here along with the following: Solr Java etc. However, I am about to get a linode vps for production and quickly realising that x86 is the way to go for their lowest RAM ...
6
votes
3answers
2k views

Linux x86_64 reports 3.2G of memory instead of 4G

I have an ASRock G31M-GS motherboard with 4GB memory installed, but when I query the memory size under CentOS 5.4 (x86_64) [root@localhost ~]# uname -a Linux localhost.localdomain 2.6.18-164.el5 #1 ...
0
votes
1answer
2k views

Excessive Paging in Window Server 2003 64 bit

All, Thanks in advance for your help. I need to understand how to get a handle on what I consider is excessive paging on one of my servers. The server is a 16 processor 64-bit Windows Server 2003 - ...
2
votes
3answers
255 views

How to report less memory to 32 bit program so it will work on 64 bit Vista?

I have a legacy setup program that will not install on a 64 bit version of Vista with 4GB of RAM. The setup program performs a check at the beginning of the installation to see if there is enough ...
5
votes
3answers
8k views

Windows Server 2008 x64, Large File Transfers, and Memory Usage

I'm following up on this: http://serverfault.com/questions/37605/copying-large-file-to-remote-server-causes-it-to-run-out-of-physical-memory But figured I'd post this separately. I have a 64-bit ...
5
votes
4answers
1k views

System speed/memory considerations x86 vs. x64

Currently I have Windows Server 2008 x64 installed on my machine. I'm about to reinstall when R2 comes out (few more days). Since I still remember all the tweaking with various device drivers, I'm ...
2
votes
3answers
501 views

Performance of Locked Pages v Native memory on 64 bit SQL2005/2008

I understand that setting the lock pages in memory privilege to the service account housing SQL2005/2008 services on a 64 bit system uses the AWE API and effectively stops SQL's buffer pool from being ...
0
votes
1answer
2k views

SQL Server 2005 x64, configuring maximum server memory

I'm a bit of a newbie to configuring SQL server, and have just had to set up a new Server 2008 x64 machine with SQL 2005 x64. Everything seems to be running well, however I have a question regarding ...
0
votes
1answer
570 views

Bios settings for Dual Opteron Server + 32/64 bit Linux decision + how to use 2 LAMP machines

semi-n00b here. I'm setting up a server that will have Ubuntu 8.04 LTS with a LAMP setup. The system is dual Opteron 248s with 4GB memory. I had a few questions about settings in the bios: Will ...
1
vote
3answers
745 views

Memory problems - Server 2003 64 addresses 3.2gb only. Intel 945G

We've got a development/test server running Windows server 2003 64bit, standard edition with SP2. (it also has dual boot to the 32bit edition) How can I diagnose problems with memory? I'm worried ...
2
votes
2answers
4k views

Why do I need to enable Memory Remapping?

I just built a new(ish) machine and I stuck 6 gigs of RAM into it. I decided to give the RC of Windows 7 (64bit) a try. As I was using it I noticed the machine said it had 6 gigs of ram, but only 5 ...
2
votes
4answers
435 views

SQL Server 2005 on 64-bit, Memory > 3GB

Does AWE help on a 64-bit server? The option is still available. Does it do anything?
5
votes
5answers
4k views

RAM disk for Vista 64-bit

I have a workstation with 8GB RAM running Vista 64-bit. I'd like to try running some small server VMs in a virtual RAM disk to see how much performance improves. I haven't made a RAM disk since my ...